package cn.jiyun.consumer.controller;

import cn.jiyun.consumer.client.UserClient;
import cn.jiyun.consumer.pojo.User;
import com.netflix.hystrix.contrib.javanica.annotation.DefaultProperties;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

import java.util.List;

@RestController
@RequestMapping("/consumer")
@DefaultProperties(defaultFallback = "defaultFallBack")
public class ConsumerController {

    @Autowired
    private RestTemplate restTemplate;

    @Autowired
    private DiscoveryClient discoveryClient;

    @Autowired
    private UserClient userClient;

    @GetMapping("/findById/{id}")
//    @HystrixCommand(fallbackMethod = "queryByIdFallBack")
//    @HystrixCommand
    public User findById(@PathVariable("id") Long id) {
//        if(id == 1){
//            throw new RuntimeException("太忙了");
//        }
        //获取服务列表信息
        List<ServiceInstance> instances = discoveryClient.getInstances("user-service");
        ServiceInstance serviceInstance = instances.get(0);


        User user = userClient.queryById(id);
//        String url="http://"+serviceInstance.getHost()+":"+serviceInstance.getPort()+"/user/findById/"+id;
//        String user = restTemplate.getForObject(url, String.class);
        return user;
    }

    public String queryByIdFallBack(Long id){
        return "对不起，网络太拥挤了！";
    }

    public String defaultFallBack(){
        return "默认提示：对不起，网络太拥挤了！";
    }
}
